ACPI: sbs: check for NULL device pointer
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 62bef0b..79f38f0 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -1685,10 +1685,16 @@
int acpi_sbs_remove(struct acpi_device *device, int type)
{
- struct acpi_sbs *sbs = (struct acpi_sbs *)acpi_driver_data(device);
+ struct acpi_sbs *sbs = NULL;
int id;
- if (!device || !sbs) {
+ if (!device) {
+ return -EINVAL;
+ }
+
+ sbs = (struct acpi_sbs *)acpi_driver_data(device);
+
+ if (!sbs) {
return -EINVAL;
}